The Dirty Projectors (And Björk!) Are Up To Something, And Here Is (Oblique) Proof

Perhaps today in your Internet travels you will observe a few short, surrealist videos such as the one above, abstractly depicting some sort of Björk/Dirty Projectors project, putatively titled Mount Wittenberg Orca. A date, too: June 30. Huh. No idea what this could be about. Absolutely none.